Engineering, 14.11.2019 05:31 dashawn3rd55
Acarnot heat engine receives heat from a reservoir at 900c at a rate of 800 kj/min and rejects the waste heat to the ambient air at 27c. the entire work output of the heat engine is used to drive a refrigerator that removes heat from the refrigerated space at -5c and transfers it to the same ambient air at 27c. determine (a) the maximum rate of heat removal from the refrigerated space and (b) the total rate of heat rejection to the ambient air.
Answers: 1
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On a average work day more than work place firs are reorted
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Which of the following controllers anticipates the future from the slope of errors over time? a)-proportional b)-on/off c)-integral d)-derivative.
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The characteristic roots of a dynamic system are: 1.7920 1.8160 i, -1.7920 1.8160 i, -0.4160 what is the order of this system? what are the settling time and damping ratio of the system?
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Engineering, 04.07.2019 19:10
Asteam is contained in a rigid tank with a volume of 1 m3. initially, the pressure and temperature are 7 bar and 500 oc, respectively. the temperature drops due to cooling process. determine: (1) the temperature at which condensation begins in °c, (2) the fraction of the total mass that has condensed when the pressure decreased to 0.5 bar. (3) the volume in m3 occupied by saturated liquid at the final state?
Answers: 3
Acarnot heat engine receives heat from a reservoir at 900c at a rate of 800 kj/min and rejects the w...
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